mermaid mcp for Claude Desktop
com.mermaidchart/mermaid-mcp
MCP server for Mermaid diagram validation and rendering
client:Claude Desktop
transport:streamable-http
tools:25
Install mermaid mcp in Claude Desktop
~/Library/Application Support/Claude/claude_desktop_config.json · windows: %APPDATA%\Claude\claude_desktop_config.json
{
"mcpServers": {
"mermaid-mcp": {
"command": "npx",
"args": [
"-y",
"mcp-remote",
"https://mcp.mermaidchart.com/mcp"
]
}
}
}Claude Desktop has no remote transport in its config file, so this bridges through mcp-remote. Restart the app after saving. Claude Desktop docs
What Claude Desktop can do once it is connected
- validate_and_render_mermaid_diagram
- get_diagram_title
- get_diagram_summary
- search_mermaid_icons
- get_mermaid_syntax_document
- list_tools
- list_repos
- list_mermaid_files
- read_mermaid_file
- create_pr
- push_file
- list_pulls
- list_branches
- list_issues
- create_issue
- get_issue_comments
- get_pull_comments
- generate_ticket_dependency_tree
- generate_jira_kanban_board
- generate_ticket_diagram
- generate_ticket_timeline
- get_notion_page_mermaid_diagrams
- get_notion_mermaid_diagram_by_block_id
- update_notion_mermaid_diagram